About the Number

871220480

871220479 ← → 871220481

2進数表記:110011111011011100010100000000

漢数字表記:八億七千百二十二万四百八十

素因数分解:

2 8 × 5 1 × 13 1 × 41 1 × 1277 1

素因数の和:1352
約数の個数: 144
約数和(自身を含む): 2303988624
約数和(自身を除く): 1432768144

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 410, 416, 520, 533, 640, 656, 820, 832, 1040, 1066, 1277, 1280, 1312, 1640, 1664, 2080, 2132, 2554, 2624, 2665, 3280, 3328, 4160, 4264, 5108, 5248, 5330, 6385, 6560, 8320, 8528, 10216, 10496, 10660, 12770, 13120, 16601, 16640, 17056, 20432, 21320, 25540, 26240, 33202, 34112, 40864, 42640, 51080, 52357, 52480, 66404, 68224, 81728, 83005, 85280, 102160, 104714, 132808, 136448, 163456, 166010, 170560, 204320, 209428, 261785, 265616, 326912, 332020, 341120, 408640, 418856, 523570, 531232, 664040, 680641, 682240, 817280, 837712, 1047140, 1062464, 1328080, 1361282, 1634560, 1675424, 2094280, 2124928, 2656160, 2722564, 3350848, 3403205, 4188560, 4249856, 5312320, 5445128, 6701696, 6806410, 8377120, 10624640, 10890256, 13403392, 13612820, 16754240, 21249280, 21780512, 27225640, 33508480, 43561024, 54451280, 67016960, 87122048, 108902560, 174244096, 217805120, 435610240, 871220480]

約数ペア:
[(1, 871220480), (2, 435610240), (4, 217805120), (5, 174244096), (8, 108902560), (10, 87122048), (13, 67016960), (16, 54451280), (20, 43561024), (26, 33508480), (32, 27225640), (40, 21780512), (41, 21249280), (52, 16754240), (64, 13612820), (65, 13403392), (80, 10890256), (82, 10624640), (104, 8377120), (128, 6806410), (130, 6701696), (160, 5445128), (164, 5312320), (205, 4249856), (208, 4188560), (256, 3403205), (260, 3350848), (320, 2722564), (328, 2656160), (410, 2124928), (416, 2094280), (520, 1675424), (533, 1634560), (640, 1361282), (656, 1328080), (820, 1062464), (832, 1047140), (1040, 837712), (1066, 817280), (1277, 682240), (1280, 680641), (1312, 664040), (1640, 531232), (1664, 523570), (2080, 418856), (2132, 408640), (2554, 341120), (2624, 332020), (2665, 326912), (3280, 265616), (3328, 261785), (4160, 209428), (4264, 204320), (5108, 170560), (5248, 166010), (5330, 163456), (6385, 136448), (6560, 132808), (8320, 104714), (8528, 102160), (10216, 85280), (10496, 83005), (10660, 81728), (12770, 68224), (13120, 66404), (16601, 52480), (16640, 52357), (17056, 51080), (20432, 42640), (21320, 40864), (25540, 34112), (26240, 33202)]

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